import random
##a=["a","b","c","d"]
##for x in a:
##    print(x)
##    for y in a:
##        print (y)


##day =22
##month =4
##total=5000
##food_pd=22
##salary_pd=60
##for day in range(1,123):
##    total = total - food_pd +salary_pd
##    print("今天是第%s天，我有%s元" % (day, total))

##n=0
##jiang = None
##cao= None
##rand = random.randrange(1,100)
##print ("cao=",rand);
##while(n < 100):
##    print (n)
##    if jiang ==True:
##        break
##    elif cao==True:
##        break
##    else:
##      n= n+1

##def hi_name(myname):
##    print("Hello %s" %myname)
##    
##hi_name("chuanwen");

##def hi_name(a,b):
##    print ("%s+%s=%s" %(a,b,a+b))
##
##hi_name(1,2)

###每天捡n个瓶子
##def cout_bottles():
##    n=int(input("请输入每天最多捡几个瓶子："))
##    total=0
##    for i in range(1,53):
##        rand = random.randrange(0,n)
##        print("第%s周有%s个瓶子"  %(i,7*rand))
##        total = total + 7*rand
##    print("一年下来一共有%s个瓶子" %(total))
##cout_bottles()



class Dog:
    def run(self):
        print ("ok")

class smallDog(Dog):
    pass

d = smallDog()
d.self.run()
